/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "adc.h"
#include "i2c.h"
#include "rtc.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */

#include "stdio.h"
#include "bmp.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
//按键相关
extern uint32_t SW4_KEYON_FLAG;
extern uint32_t SW5_KEYON_FLAG;
//OLED相关
char oled_print_str[20];//用与OLED显示
//温湿度相�???
DHT11_Data_TypeDef DHT11_Data;//用于获取温湿�???
//光照模块相关变量
uint16_t light_data;
uint8_t light_max = 70;
uint8_t light_min = 40;
//串口接受相关
uint16_t rc_size_flag = 0;
uint8_t  rc_time_flag = 0;
char time_date[35];
extern uint8_t TXBuffer[TXBUFFERSIZE];//发�?�缓存区
extern uint8_t RXBuffer[RXBUFFERSIZE];//发�?�缓存区
//U8G2相关
u8g2_t u8g2;
//日期时间
extern RTC_TimeTypeDef sTime;
extern RTC_DateTypeDef sDate;
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
void StrToTimeDate(char *string,RTC_TimeTypeDef *sTime,RTC_DateTypeDef *sDate) {
    uint8_t *p;
    p = (uint8_t*)&string[23];
    sTime->Hours = ((*p - 0x30)*10 + (*(p+1) - 0x30) + 8) % 24;  //GMT0-->GMT8
    sTime->Minutes = ((*(p+3) - 0x30)*10 + (*(p+4) - 0x30)) % 60;

    sTime->Seconds = ((*(p+6) - 0x30)*10 + (*(p+7) - 0x30)) % 60;

    sDate->Year    = ((*(p-3) - 0x30)*10+ (*(p-2) - 0x30));

    sDate->Date    = ((*(p-12) - 0x30)*10 + (*(p-11) - 0x30));

    if        ((u8*)strstr((char*)string,(char*) "Jan")) sDate->Month=1;
    else if   ((u8*)strstr((char*)string,(char*) "Feb")) sDate->Month=2;
    else if   ((u8*)strstr((char*)string,(char*) "Mar")) sDate->Month=3;
    else if   ((u8*)strstr((char*)string,(char*) "Apr")) sDate->Month=4;
    else if   ((u8*)strstr((char*)string,(char*) "May")) sDate->Month=5;
    else if   ((u8*)strstr((char*)string,(char*) "Jun")) sDate->Month=6;
    else if   ((u8*)strstr((char*)string,(char*) "Jul")) sDate->Month=7;
    else if   ((u8*)strstr((char*)string,(char*) "Aug")) sDate->Month=8;
    else if   ((u8*)strstr((char*)string,(char*) "Sep")) sDate->Month=9;
    else if   ((u8*)strstr((char*)string,(char*) "Oct")) sDate->Month=10;
    else if   ((u8*)strstr((char*)string,(char*) "Nov")) sDate->Month=11;
    else if   ((u8*)strstr((char*)string,(char*) "Dec")) sDate->Month=12;
}

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */


/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void) {
    /* USER CODE BEGIN 1 */

    /* USER CODE END 1 */

    /* MCU Configuration--------------------------------------------------------*/

    /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    HAL_Init();

    /* USER CODE BEGIN Init */

    /* USER CODE END Init */

    /* Configure the system clock */
    SystemClock_Config();

    /* USER CODE BEGIN SysInit */

    /* USER CODE END SysInit */

    /* Initialize all configured peripherals */
    MX_GPIO_Init();
    MX_I2C1_Init();
    MX_ADC1_Init();
    MX_USART2_UART_Init();
    MX_RTC_Init();
    /* USER CODE BEGIN 2 */
    //初始化
    DWT_init();
    OLED_Init();
    DHT11_Init();
    //图形库初始化
    u8g2Init(&u8g2);
    u8g2_SetFont(&u8g2, u8g2_font_wqy12_t_chinese1);//设置字体
    //读一手温湿度和光照
    DHT11_Read_TempAndHumidity(&DHT11_Data);
    light_data = Get_ADC_Average(9, 20);
    light_data = 100 - 100 * light_data / 4500;
    //尝试接收时间
    HAL_DWT_Delay_ms(2000);
    rc_time_flag = 0;
    Uart_ReceiveToBuffer_unblock(&huart2);
    Uart_FormatSend_block(&huart2,"GET /time15.asp HTTP/1.1Host:www.beijing-time.org");
    HAL_DWT_Delay_ms(1000);
    //开启RTC秒中断
    HAL_RTCEx_SetSecond_IT(&hrtc);
    /* USER CODE END 2 */

    /* Infinite loop */
    /* USER CODE BEGIN WHILE */
    while (1) {
        static int count = 0;
        count++;
        HAL_DWT_Delay_ms(1000);
        if(rc_size_flag == 1){
            rc_size_flag = 0;
        }
        if(rc_time_flag == 1){
            rc_time_flag = 0;
            StrToTimeDate(time_date,&sTime,&sDate);
            HAL_RTC_SetTime(&hrtc,&sTime,RTC_FORMAT_BIN);
            HAL_RTC_SetDate(&hrtc,&sDate,RTC_FORMAT_BIN);
        }
        if(count == 5){
            count = 0;
            DHT11_Read_TempAndHumidity(&DHT11_Data);
            light_data = Get_ADC_Average(9, 20);
            light_data = 100 - 100 * light_data / 4500;
        }
        /* USER CODE END WHILE */

        /* USER CODE BEGIN 3 */
    }
    /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void) {
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
    RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

    /** Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_LSE;
    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
    RCC_OscInitStruct.LSEState = RCC_LSE_ON;
    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
        Error_Handler();
    }
    /** Initializes the CPU, AHB and APB buses clocks
    */
    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                  | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
        Error_Handler();
    }
    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC | RCC_PERIPHCLK_ADC;
    PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
    PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
        Error_Handler();
    }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void) {
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */
    __disable_irq();
    while (1) {
    }
    /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

